The Colvos Passage is a tidal strait within Puget Sound in the American state of Washington running west of Vashon Island between the island and the Kitsap Peninsula. It lies just north of the Dalco Passage. Colvos Passage has a permanent predominantly northbound current, in contrast to the rest of Puget Sound which varies with the tide. The communities of Fragaria, Olalla, Sunrise Beach, Spring Beach, Maplewood, Lisabeula, Paradise Cove and Sylvan Beach are located on Colvos Passage.